CN101938202A - Rotary shielding device for tubular permanent magnet - Google Patents
Rotary shielding device for tubular permanent magnet Download PDFInfo
- Publication number
- CN101938202A CN101938202A CN2009100880072A CN200910088007A CN101938202A CN 101938202 A CN101938202 A CN 101938202A CN 2009100880072 A CN2009100880072 A CN 2009100880072A CN 200910088007 A CN200910088007 A CN 200910088007A CN 101938202 A CN101938202 A CN 101938202A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- permanent magnet
- shaped permanent
- magnetic conduction
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention relates to a rotary shielding device for a tubular permanent magnet, which comprises a frame. A central shaft is arranged on the frame, and is provided with a magnetic core tube; the tubular permanent magnet is arranged outside the magnetic core tube; a rotary shielding body is arranged outside the tubular permanent magnet; the rotary shielding body comprises two tile shielding plates axially symmetrically arranged and magnetic end plates arranged at two ends of the tile shielding plates; the magnetic end plates arranged at two ends of the tile shielding plates are respectively provided with a rotary connecting piece; the rotary shielding body is rotatably arranged on the central shaft through the rotary connecting piece; and the magnetic end plates are magnetically connected with the magnetic core cylinder. By adopting the design of the magnetic end plates, the rotary shielding body and the magnetic core tube form a magnetic circuit, and when the tile shielding plates rotate, the tile shielding plates continuously switch the shielding areas of two tubular permanent magnet magnetic fields, so that an induction generator generates induction current.
Description
Technical field
The present invention relates to a kind of rotation screening arrangement of cylinder-shaped permanent magnet, be particularly related to a kind of screening arrangement that cylinder-shaped permanent magnet, magnetic conduction core tube and rotary shielding body are installed, be outside equipped with a cylinder-shaped permanent magnet at described magnetic conduction core tube, outside described cylinder-shaped permanent magnet, be provided with a rotary shielding body; This rotary shielding body comprises two watt shape barricades that are provided with axisymmetricly and is installed in the magnetic conduction end plate at described watt of shape barricade two ends; Can realize the rotary shielding body rotation, to reach the purpose that changes magnetic field intensity in zones of different.
Background technology
The patent No. is that ZL200610113824.5 discloses a kind of magnetic shielding device that is used for the multi-layer compound structure of shielding strong magnetic field, it is characterized in that, adopts multi-layer compound structure, and comprise three layers from outside to inside: silicon steel parts are the intermediate layer; One alloy component is internal layer; One solenoid coil is skin; Alloy component is placed the silicon steel components interior, be equipped with solenoid coil in the outside of alloy component.The shield effectiveness of this magnetic shielding device is good, and is simple in structure, easy to make, but this patent is limited by overall structure, only is applicable to the photomultiplier of shielding strong magnetic field, and its function singleness can not be carried out the magnetic energy conversion; Therefore, need provide a kind of rotation screening arrangement of cylinder-shaped permanent magnet to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of rotation screening arrangement of cylinder-shaped permanent magnet, this screening arrangement has a magnetic conduction core tube, is outside equipped with a cylinder-shaped permanent magnet at described magnetic conduction core tube, is provided with a rotary shielding body outside described cylinder-shaped permanent magnet; This rotary shielding body comprises two watt shape barricades that are provided with axisymmetricly and is installed in the magnetic conduction end plate at described watt of shape barricade two ends; This screening arrangement drives rotary shielding body by power input wheel and rotates.The present invention utilizes the continuous rotation of rotary shielding body and the magnetic field intensity of cylinder-shaped permanent magnet is constantly changed, to the shield effectiveness height in magnetic field.
The objective of the invention is to realize by following technical proposals: a kind of rotation screening arrangement of cylinder-shaped permanent magnet, a frame is arranged, on described frame, be provided with a central shaft, magnetic conduction core tube is installed on described central shaft; Be outside equipped with a cylinder-shaped permanent magnet at described magnetic conduction core tube, described cylinder-shaped permanent magnet comprises annular end face, outer cylinder magnetic pole, inner cylinder magnetic pole; Be provided with a rotary shielding body outside described cylinder-shaped permanent magnet, described rotary shielding body comprises two watt shape barricades that are provided with axisymmetricly and is installed in the magnetic conduction end plate at described watt of shape barricade two ends; This watt shape barricade covers on the outer cylinder magnetic pole of cylinder-shaped permanent magnet, respectively is provided with a rotating connector on the magnetic conduction end plate at described watt of shape barricade two ends, and described rotary shielding body is rotated by rotating connector and described central shaft and installed; Described magnetic conduction end plate is connected with described magnetic conduction core tube magnetic conduction.
Purpose of the present invention can also be realized by following technical proposals: a kind of rotation screening arrangement of cylinder-shaped permanent magnet, a frame is arranged, it is characterized in that: on described frame, be provided with a central shaft, magnetic conduction core tube is installed on described central shaft, be outside equipped with a cylinder-shaped permanent magnet at described magnetic conduction core tube, described cylinder-shaped permanent magnet comprises annular end face, outer cylinder magnetic pole, inner cylinder magnetic pole; Be provided with a rotary shielding body outside described cylinder-shaped permanent magnet, this rotary shielding body comprises two watt shape barricades that are provided with axisymmetricly; This watt shape barricade covers on the outer cylinder magnetic pole of cylinder-shaped permanent magnet, is provided with rotating connector at this watt shape barricade two ends, and described watt of shape barricade rotates by rotating connector and described central shaft to be installed; Two ends at described magnetic conduction core tube are provided with the magnetic conduction end plate; This magnetic conduction end plate is connected with described watt of shape barricade magnetic conduction.
Compared with the prior art the present invention has following advantage:
1, the present invention adopts the design that is provided with a rotary shielding body outside described cylinder-shaped permanent magnet, can realize that rotary shielding body rotatablely moves around central shaft, two watts of shape barricades of this rotary shielding body have stressed even characteristics by the coaxial equidistant installation of rotating connector and cylinder-shaped permanent magnet; It is little to make that cylinder-shaped permanent magnet disturbs watt shape barricade, only needs just can realize the rotary shielding body rotation, to reach the purpose that changes magnetic field intensity in zones of different by the less power of power input wheel input;
2, the present invention adopts the design of magnetic conduction end plate, can make rotary shielding body and magnetic conduction core tube constitute magnetic conductive loop, when watt shape barricade rotated, this watt shape barricade constantly switched the shielding area in two cylinder-shaped permanent magnet magnetic fields, made induction generating set produce induced current;
3, the present invention is equipped with electromagnetic generator on described magnetic conduction end plate, can be on this electromagnetic generator input current intermittently, make two magnetic conduction end plates respectively produce two magnetic fields, this field pole all should with the outer cylinder magnetic pole and the inner cylinder pole pair of cylinder-shaped permanent magnet; Under the effect of electric current, the magnetic line of force that is distributed in the magnetic conduction end plate imports watt shape barricade, and impel that to import magnetic line of force moment in watt shape barricade from the outer cylinder magnetic pole of cylinder-shaped permanent magnet saturated and penetrate a watt shape barricade, form a repulsion magnetic field with magnetic pole between induction generating set and watt shape barricade this moment, can reduce a part of induction generating set to the attraction that watt shape barricade produces, help rotatablely moving of watt shape barricade;
4, of the present invention watt of shape barricade adopts multilayer silicon steel plate stacking structure, and this watt shape barricade material is even, and shield effectiveness is good.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the stereogram of the embodiment of the invention one
Fig. 2 is the structural representation (longitudinal section) of the embodiment of the invention one
Fig. 3 is the schematic diagram of rotary shielding body in the embodiment of the invention one
Fig. 4 is the schematic diagram of watt shape barricade in the embodiment of the invention one
Fig. 5 is the schematic diagram of rotating connector in the embodiment of the invention one
Fig. 6 is the schematic diagram of induction generating set in the embodiment of the invention one
Fig. 7 is the schematic diagram of cylinder-shaped permanent magnet among the present invention
Fig. 8 is the Distribution of Magnetic Field schematic diagram that installs the magnetic conduction end plate in the embodiment of the invention one additional
Fig. 9 is the Distribution of Magnetic Field schematic diagram that installs electromagnetic generator in the embodiment of the invention one additional
Figure 10 is the stereogram of the embodiment of the invention two
Figure 11 is the structural representation (longitudinal section) of the embodiment of the invention two
Embodiment
Embodiment one
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, the rotation screening arrangement of the cylinder-shaped permanent magnet of present embodiment has a frame 1, and level is provided with a central shaft 2 on described frame, these central shaft two ends are fixed on the frame, and magnetic conduction core tube 3 is installed on described central shaft; At described magnetic conduction core tube external fixation a cylinder-shaped permanent magnet 4 is installed, fixed form is conventional technological means, for example is adhesively fixed; Described cylinder-shaped permanent magnet comprises annular end face 5, outer cylinder magnetic pole 6, inner cylinder magnetic pole 7; Outside described cylinder-shaped permanent magnet, be provided with a rotary shielding body 8, described rotary shielding body comprise two with central shaft axisymmetricly horizontally disposed watt of shape barricade 9 and be vertically mounted on the magnetic conduction end plate 10 at described watt of shape barricade two ends, this magnetic conduction end plate covers on the annular end face of cylinder-shaped permanent magnet; This magnetic conduction end plate is a butterfly magnetic conduction end plate in the present embodiment, described watt of shape barricade covers on the outer cylinder magnetic pole of cylinder-shaped permanent magnet, respectively be provided with a rotating connector 11 on the magnetic conduction end plate at described watt of shape barricade two ends, described rotary shielding body is rotated by rotating connector and described central shaft and is installed; Be provided with magnetic gap 12 between described magnetic conduction end plate and described magnetic conduction core tube, this magnetic conduction end plate is that magnetic conduction is connected with magnetic conduction core tube; This kind structure can guarantee to form magnetic conductive loop between rotary shielding body and the magnetic conduction core tube.Magnetic conduction connection of the present invention is meant works as rotary shielding body in continuous rotation process, the circular edges of the inner arc edge of described magnetic conduction end plate and the left and right both ends of the surface of magnetic conduction core tube is along keeping best magnetic gap, magnetic gap described in the present embodiment is between 0.1～0.8mm, and rotary shielding body and magnetic conduction core tube constitute complete magnetic line of force passage.
The material of two watts of shape barricades described in the present embodiment, size, shape are all identical; The material of two magnetic conduction end plates, size, shape are also all identical.Rotating connector described in the present embodiment adopts non-magnetic materials such as plastics, aluminium alloy, stainless steel, carbon fiber bar to make; Referring to Fig. 2, shown in Figure 5, described two rotating connectors are fixedlyed connected with the magnetic conduction end plate, respectively are provided with a bearing 13 in described two rotating connectors, can realize being rotationally connected of rotary shielding body and central shaft by above structure; There are a power input wheel 14 and described rotating connector to install.Referring to shown in Figure 7, in the present embodiment, described cylinder-shaped permanent magnet adopts NdFeB material, is the permanent magnet of a drum, comprises two annular end faces, outer cylinder magnetic pole, inner cylinder magnetic pole; Permanent magnet adopts along the face of cylinder direction technology that magnetizes and makes, and this kind permanent magnet has long advantage of low energy consumption service life.The cylinder-shaped permanent magnet outer cylinder magnetic pole of setting in the present embodiment is the N utmost point, and the inner cylinder magnetic pole is the S utmost point.Stressed evenly for guaranteeing rotary shielding body, stable rotation, one of them watt shape barricade equates with the distance values of described another watt shape barricade to the outer cylinder magnetic pole of described cylinder-shaped permanent magnet to the distance of the outer cylinder magnetic pole of described cylinder-shaped permanent magnet in the present embodiment, the numerical value of this distance is 0.1～0.8mm, is 0.5mm in the present embodiment; Described left and right two magnetic conduction end plates equate to the annular end face of cylinder-shaped permanent magnet.
Referring to Fig. 2, shown in Figure 6, the rotation screening arrangement of the described cylinder-shaped permanent magnet of present embodiment can be applied to a Blast Furnace Top Gas Recovery Turbine Unit (TRT), the design of this Blast Furnace Top Gas Recovery Turbine Unit (TRT) is: with the external drive motors of power input wheel, drive rotary shielding body by drive motors and rotate; The induction generating set corresponding with the outer cylinder position of magnetic pole of cylinder-shaped permanent magnet 15 is installed on described frame, and around being arranged on outside the cylinder-shaped permanent magnet; This induction generating set is the device that has the induction coil (not shown); The design utilization rotation magnetic screen principle of this Blast Furnace Top Gas Recovery Turbine Unit (TRT) produces electric energy; When watt shape barricade rotates continuously with certain rotating speed, watt shape barricade is every during through an induction generating set present position, to the magnetic field intensity by induction generating set be changed, make magnetic flux change and produce electric energy, electric energy is exported by induction generating set.
Described rotating connector can play positioning action to rotary shielding body, equates apart from distance between watt shape barricade to guarantee cylinder-shaped permanent magnet, guarantees that the rotary shielding body rotation is smooth and easy; The whole non-magnet_conductible material (stainless steel material or aluminum alloy materials) that adopts of this rotating connector is made, and can not adsorbed by permanent magnet, is convenient to install.
Referring to Fig. 3, shown in Figure 4, described watt of shape barricade adopts multilayer silicon steel sheet 16 to laminate formation, and its thickness is between 0.5～15mm, and most preferred thickness is 3mm, and the silicon steel sheet number of plies is between 3～40, and the most preferred number of plies is 10 layers; The central angle of the section arc length correspondence of described watt of shape barricade is 60 °～90 °, and (angle a) among the figure; Concrete production method is that a slice silicon steel sheet material is wound into multilayer, uses the cutting forming technology to be processed into the barricade of watt shape then; Described magnetic conduction end plate also adopts the multilayer silicon steel plate stacking to constitute, and its thickness is between 0.5～15mm, and most preferred thickness is 3mm, and the silicon steel sheet number of plies is between 3～40, and the most preferred number of plies is 10 layers; Concrete production method is that a slice silicon steel sheet material is wound into multilayer, uses the cutting forming technology to be processed into the barricade of butterfly then.Because above-mentioned moulding process does not cut off the distinctive bacillar structure of metal material in the process of processing, the continuity that has kept this tissue, therefore, has excellent magnetic property, shield effectiveness is good, watt shape barricade and the magnetic conduction end plate that adopt this kind material to make are in light weight, and material is even, draw materials easily; For setting up a magnetic line of force express passway in magnetic field.
Referring to Fig. 2, shown in Figure 8, in order to reduce leakage field, improve Magnetic Shielding Effectiveness, present embodiment adopts the design of magnetic conduction core tube, and this magnetic conduction core tube adopts permeability magnetic material (carbon steel material), has magnetic property preferably.Described magnetic conduction core tube can form magnetic conductive loop with described rotary shielding body; Behind watt part outer cylinder magnetic pole of shape barricade shielding cylinder-shaped permanent magnet; At this moment, the N utmost point magnetic line of force 17 of cylinder-shaped permanent magnet distributes along the magnetic conduction passage of each the silicon steel sheet interlayer in watt shape barricade, the trend of the magnetic line of force left, part cloth on the right side, and import respectively along this watt shape barricade and to be positioned at watt magnetic conduction end plate of shape barricade both sides, the magnetic line of force continues in the magnetic conduction end plate imports the magnetic conduction core tube that magnetic conduction connects with it, and leads back the S utmost point (dotted line is represented the center line of central shaft among the figure) of cylinder-shaped permanent magnet through magnetic conduction core tube; Guaranteed that magnetic circuit is unimpeded.
Referring to shown in Figure 2, present embodiment can respectively be installed two electromagnetic generators 18 on two magnetic conduction end plates of described rotary shielding body, the corresponding central angle of the central angle of the section arc length correspondence of this electromagnetic generator and the section arc length of described watt of shape barricade is identical; And two electromagnetic generators that are positioned on the magnetic conduction end plate of left side become the axial symmetry setting, two electromagnetic generators that are positioned on the magnetic conduction end plate of right side also become the axial symmetry setting, the corresponding setting in two electromagnetic generator positions on two electromagnetic generators on the magnetic conduction end plate of described left side and the right side magnetic conduction end plate.The electromagnetic generator that present embodiment adopted comprises pulse current generating circuit, solenoid carriage, solenoid, and when pulse current generating circuit during to solenoid input pulse electric current, solenoid just produces a magnetic field; Pulse current generating circuit and solenoid can adopt disclosed content in the prior art.
Rotary shielding body in the present embodiment can change the magnetic field intensity around the induction generating set in rotation, make induction generating set produce induced current, simultaneously, induction generating set also certainly leads to watt shape barricade on the association magnetic field suction rotary shielding body, increases resistance for the rotation of rotary shielding body; Referring to shown in Figure 9, in order to reduce association magnetic field that induction generating set produces to watt attraction of shape barricade, can be on described electromagnetic generator input current intermittently, make two magnetic conduction end plates respectively produce two magnetic fields, this field pole all N utmost point and the S with cylinder-shaped permanent magnet is extremely corresponding; Under the effect of electric current, the N utmost point magnetic line of force 19 of this Distribution of Magnetic Field in the magnetic conduction end plate imports watt shape barricade, and impel that to import 20 moments of the N utmost point magnetic line of force in watt shape barricade from the N utmost point of cylinder-shaped permanent magnet saturated and penetrate a watt shape barricade, form a repulsion magnetic field with magnetic pole between induction generating set and watt shape barricade this moment, can reduce a part of induction generating set to the attraction that watt shape barricade produces, help rotatablely moving of watt shape barricade.
The disclosed technical scheme of present embodiment is horizontal scheme, and central shaft is by the horizontal direction setting; The present invention can also be designed to vertical scheme, and in vertical scheme, central shaft is pressed the vertical direction setting, and the annexation of other part is constant.
Embodiment two
Present embodiment is the improvement project on embodiment one basis, technical characterictic that occurs in the present embodiment and embodiment one identical or similar part, please refer to the description of embodiment one disclosed content or principle understands, should not be repeated in this description at this as the disclosed content of present embodiment yet.
Referring to Figure 10, Figure 11, shown in Figure 7, the rotation screening arrangement of the cylinder-shaped permanent magnet of present embodiment, a frame 101 is arranged, level is provided with a central shaft 102 on described frame, and these central shaft two ends are fixed on the frame, and magnetic conduction core tube 103 is installed on described central shaft, these magnetic conduction core tube two ends are fixed by spacing collar and central shaft, at described magnetic conduction core tube external fixation a cylinder-shaped permanent magnet 104 is installed, fixed form is conventional technological means, for example is adhesively fixed; Described cylinder-shaped permanent magnet comprises annular end face, outer cylinder magnetic pole, inner cylinder magnetic pole; Outside described cylinder-shaped permanent magnet, be provided with a rotary shielding body 105, this rotary shielding body comprise two with central shaft horizontally disposed watt of shape barricade 106 axisymmetricly; This watt shape barricade covers on the outer cylinder magnetic pole of cylinder-shaped permanent magnet, is provided with rotating connector 107 at this watt shape barricade two ends, and this rotating connector is a dish type in the present embodiment, and described watt of shape barricade rotates by rotating connector and described central shaft to be installed; Two ends at described magnetic conduction core tube vertically are provided with magnetic conduction end plate 108, and this magnetic conduction end plate covers on the annular end face of cylinder-shaped permanent magnet; This magnetic conduction end plate is a dish type magnetic conduction end plate in the present embodiment; Be provided with magnetic gap 109 between the dish type edge of described magnetic conduction end plate and described watt of shape barricade, this magnetic conduction end plate is connected with described watt of shape barricade magnetic conduction; This kind structure can guarantee to form magnetic conductive loop between watt shape barricade and the magnetic conduction core tube.Magnetic conduction connection of the present invention is meant works as rotary shielding body in continuous rotation process, the outer arc edge of described magnetic conduction end plate keeps best magnetic gap with watt shape barricade intrados, magnetic gap described in the present embodiment is between 0.1-0.8mm, and watt shape barricade and magnetic conduction core tube constitute complete magnetic line of force passage.
The disclosed technical scheme of present embodiment is horizontal scheme, and central shaft is by the horizontal direction setting; The present invention can also be designed to vertical scheme, and in vertical scheme, central shaft is pressed the vertical direction setting, and the annexation of other part is constant.
Claims (10)
1. the rotation screening arrangement of a cylinder-shaped permanent magnet has a frame, it is characterized in that: be provided with a central shaft on described frame, magnetic conduction core tube is installed on described central shaft; Be outside equipped with a cylinder-shaped permanent magnet at described magnetic conduction core tube, described cylinder-shaped permanent magnet comprises annular end face, outer cylinder magnetic pole, inner cylinder magnetic pole; Be provided with a rotary shielding body outside described cylinder-shaped permanent magnet, described rotary shielding body comprises two watt shape barricades that are provided with axisymmetricly and is installed in the magnetic conduction end plate at described watt of shape barricade two ends; This watt shape barricade covers on the outer cylinder magnetic pole of cylinder-shaped permanent magnet, respectively is provided with a rotating connector on the magnetic conduction end plate at described watt of shape barricade two ends, and described rotary shielding body is rotated by rotating connector and described central shaft and installed; Described magnetic conduction end plate is connected with described magnetic conduction core tube magnetic conduction.
2. the rotation screening arrangement of cylinder-shaped permanent magnet according to claim 1 is characterized in that: on described magnetic conduction end plate electromagnetic generator is installed.
3. the rotation screening arrangement of cylinder-shaped permanent magnet according to claim 2 is characterized in that: have a power input wheel and described rotating connector to install.
4. the rotation screening arrangement of cylinder-shaped permanent magnet according to claim 1, it is characterized in that: described one of them watt shape barricade equates that with the distance values of described another watt shape barricade to the outer cylinder magnetic pole of described cylinder-shaped permanent magnet the numerical value of this distance is 0.1～0.8mm to the distance of the outer cylinder magnetic pole of described cylinder-shaped permanent magnet.
5. the rotation screening arrangement of cylinder-shaped permanent magnet according to claim 1 is characterized in that: the induction generating set corresponding with the outer cylinder position of magnetic pole of cylinder-shaped permanent magnet is installed on described frame.
6. the rotation screening arrangement of cylinder-shaped permanent magnet according to claim 1 is characterized in that: described watt of shape barricade employing multilayer silicon steel plate stacking structure.
7. the rotation screening arrangement of cylinder-shaped permanent magnet according to claim 6, it is characterized in that: described watt of shape barricade thickness is between 0.5～15mm.
8. the rotation screening arrangement of cylinder-shaped permanent magnet according to claim 7, it is characterized in that: the described silicon steel sheet number of plies is between 3～40.
9. the rotation screening arrangement of a cylinder-shaped permanent magnet, a frame is arranged, it is characterized in that: on described frame, be provided with a central shaft, magnetic conduction core tube is installed on described central shaft, be outside equipped with a cylinder-shaped permanent magnet at described magnetic conduction core tube, described cylinder-shaped permanent magnet comprises annular end face, outer cylinder magnetic pole, inner cylinder magnetic pole; Be provided with a rotary shielding body outside described cylinder-shaped permanent magnet, this rotary shielding body comprises two watt shape barricades that are provided with axisymmetricly; This watt shape barricade covers on the outer cylinder magnetic pole of cylinder-shaped permanent magnet, is provided with rotating connector at this watt shape barricade two ends, and described watt of shape barricade rotates by rotating connector and described central shaft to be installed; Two ends at described magnetic conduction core tube are provided with the magnetic conduction end plate; This magnetic conduction end plate covers on the annular end face of cylinder-shaped permanent magnet and with described watt of shape barricade magnetic conduction and is connected.
10. the rotation screening arrangement of cylinder-shaped permanent magnet according to claim 9 is characterized in that: on described magnetic conduction end plate electromagnetic generator is installed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100880072A CN101938202A (en) | 2009-07-03 | 2009-07-03 | Rotary shielding device for tubular permanent magnet |
| PCT/CN2010/074040 WO2010145558A1 (en) | 2009-06-19 | 2010-06-18 | Permanent magnet shield device and application system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100880072A CN101938202A (en) | 2009-07-03 | 2009-07-03 | Rotary shielding device for tubular permanent magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101938202A true CN101938202A (en) | 2011-01-05 |
Family
ID=43391377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100880072A Pending CN101938202A (en) | 2009-06-19 | 2009-07-03 | Rotary shielding device for tubular permanent magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101938202A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017840A (en) * | 2012-12-21 | 2013-04-03 | 上海一诺仪表有限公司 | 50-Hz power-frequency electromagnetic interference preventing device of electromagnetic flow meter |
| CN103532327A (en) * | 2013-10-10 | 2014-01-22 | 车晋绥 | Brushless three-phase AC (alternating current) generator |
| CN106921271A (en) * | 2015-12-24 | 2017-07-04 | 奥迪股份公司 | For the motor and motor vehicle of motor vehicle |
-
2009
- 2009-07-03 CN CN2009100880072A patent/CN101938202A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017840A (en) * | 2012-12-21 | 2013-04-03 | 上海一诺仪表有限公司 | 50-Hz power-frequency electromagnetic interference preventing device of electromagnetic flow meter |
| CN103532327A (en) * | 2013-10-10 | 2014-01-22 | 车晋绥 | Brushless three-phase AC (alternating current) generator |
| CN103532327B (en) * | 2013-10-10 | 2016-01-06 | 车晋绥 | Brushless threephase alternator |
| CN106921271A (en) * | 2015-12-24 | 2017-07-04 | 奥迪股份公司 | For the motor and motor vehicle of motor vehicle |
| CN106921271B (en) * | 2015-12-24 | 2020-07-07 | 奥迪股份公司 | Motor for motor vehicle and motor vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206099710U (en) | Magnetoelectric compounding machine | |
| CN107710567A (en) | A kind of efficient laminated generator without iron core and preparation method thereof | |
| CN101834476A (en) | Permanent magnet generator inner rotor using Halback magnetic array | |
| CN101938202A (en) | Rotary shielding device for tubular permanent magnet | |
| CN102013739A (en) | Hal-Bach permanent magnet actuator capable of lineally rotating two degrees of freedom | |
| CN102013781A (en) | Brushless direct current motor with internal and external rotors and without core losses | |
| CN1941573A (en) | Single-pole permanent-magnetic cylindrical DC linear motor | |
| CN109639095A (en) | A kind of helical duct DC magnetic fluid pump | |
| CN101931296A (en) | Tile type shielding device of cylindrical permanent magnets | |
| CN101924443A (en) | Double plate type shielding device for annular permanent magnet | |
| TWM475102U (en) | Inductive power generating device | |
| CN105391198B (en) | A kind of mold heating device based on permanent magnet induction | |
| CN101877523A (en) | Shield device for annular permanent magnet | |
| CN202034879U (en) | Inner and outer rotor brushless direct current motor with no iron core loss | |
| CN102025246A (en) | Disk-shaped permanent magnet rotating shielding power generation device | |
| CN102005979A (en) | Butterfly type magnetic drive device of disc-shaped permanent magnet | |
| WO2010130216A1 (en) | Permanent magnet shield device and application system thereof | |
| CN101924444A (en) | Disk-shaped permanent magnet half-shell shielding device | |
| CN101997456A (en) | Sliding shielding rotary drum magnetic drive device | |
| CN101997457A (en) | Tile-shaped magnetic drive device of sliding shield | |
| CN106438690B (en) | A kind of electronic magnetic bearing of coil type axial permanent magnetic | |
| CN102035355A (en) | Tile-shaped inductive iron core permanent-magnetic power generation device | |
| CN207910564U (en) | A kind of low consumption permanent magnetism direct current generator | |
| CN202616901U (en) | Rotor of resultant magnetic field | |
| TW201203806A (en) | Drive system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110105 |